Malicious PDF — malware analysis report

Static analysis result for SHA-256 7ac72f0beee48dac…

MALICIOUS

PDF

35.6 KB Created: 2021-05-23 08:44:02 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2026-06-04
MD5: 5968cf58ba269d2eef87a706ae169770 SHA-1: a3c7e5c56585af5711372149a98eccb1dbaa7966 SHA-256: 7ac72f0beee48dac411b36af702cf80d4a47e5394df440afb3c9a759d45e8ee3
150 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1203 Exploitation for Client Execution

The PDF contains a lure for 'free generator / game hack' content, directing users to a malicious URL. This URL is flagged as a known malicious redirector, indicating an attempt to distribute malware or lead users to a phishing site. The presence of a download button lure and callback lure further supports a malicious intent, likely to trick users into downloading a payload.

Machine Learning

  • Nyx PDF Classifier clean score 0.0718

Heuristics 5

  • PDF links to a 'free generator / game hack' redirector critical PDF_GAME_HACK_REDIRECT_LURE
    PDF's clickable action targets a redirector of the form /app/<id>/<slug>-game-hack — the landing-page shape of a large SEO 'free spins / generator / game hack' lure family that funnels victims through rotating disposable hosts to a malware/scam payload. The multi-link variants also trip ML/link-farm rules; this catches the single-link variants that otherwise score clean. CRITICAL on its own: the /app/<id>/<slug>-game-hack path shape is unambiguous scam infra, and the host rotates so a host-list match can't be relied on.
  • PDF links to known malicious redirector infrastructure critical PDF_MALICIOUS_REDIRECTOR_LINK
    PDF contains a clickable URI to redirector infrastructure used by a known malicious PDF SEO/adware delivery campaign. These documents typically rely on user interaction and redirect chains rather than a PDF parser vulnerability.
  • Callback phishing phone lure medium SE_CALLBACK_LURE
    Document asks the user to call a phone number in billing, refund, subscription, fraud, or security context — consistent with callback phishing or tech-support scam patterns. Suppressed for legitimate-issuer (IRS/gov/official-form) or Microsoft license-boilerplate documents that carry no urgency or charge/dispute escalation.
  • Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTON
    Document contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
  • Embedded URL info EMBEDDED_URL
    One or more URLs were extracted from the document. The URL itself is not a detection — see the per-URL labels for which channel (macro, JS, link annotation, document body, ...) reached each URL.
    URL https://netcdn.xyz/app/479516143/minecraft-pe-hack-client-game-hack In PDF document text
    • http://en.wikipedia.org/wiki/MIT_LicenseIn PDF document text

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
stream_002_off000030bc.bin decompressed-pdf-stream PDF FlateDecoded stream at offset 0x30BC 25708 bytes
SHA-256: cbe7b79034e7d0c21215d6954c862cd757d0fabd6847a12bfca5b8c3b578f869
font_01_sfnt_off00006b96.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x6B96 17968 bytes
SHA-256: a1bdeaf7b929e0321b1dbbf2b8f1cbdbbbd0c833166bb9e07af12e4b4538f125

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